A <em>Stelis louisae</em> in Dorchester Co., Maryland (9/22/2015). (Photo ID: 40408 - Psn: 10)

A Stelis louisae in Dorchester Co., Maryland (9/22/2015).

View Record Details Photo by Sam Droege MBP List

A male <em>Stelis louisae</em> collected in Dorchester Co., Maryland (9/29/2015). Photo by Claire Mudd. (Photo ID: 40993 - Psn: 20)

A male Stelis louisae collected in Dorchester Co., Maryland (9/29/2015). Photo by Claire Mudd.

View Record Details Photo by USGS PWRC MBP List

A male <em>Stelis louisae</em> collected in Dorchester Co., Maryland (9/29/2015). Photo by Claire Mudd. (Photo ID: 40994 - Psn: 22)

A male Stelis louisae collected in Dorchester Co., Maryland (9/29/2015). Photo by Claire Mudd.

View Record Details Photo by USGS PWRC MBP List

A <em>Stelis louisae</em> in Prince George's Co., Maryland (6/14/2021). Verified by Molly Jacobson/BugGuide. (Photo ID: 406987 - Psn: 22)

A Stelis louisae in Prince George's Co., Maryland (6/14/2021). Verified by Molly Jacobson/BugGuide.

View Record Details Photo by Barbara Thurlow MBP List

<em>Stelis louisae</em> in Baltimore Co., Maryland (6/29/2021). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 493896 - Psn: 25)

Stelis louisae in Baltimore Co., Maryland (6/29/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

<em>Stelis louisae</em> in Allegany Co., Maryland (7/3/2023). (c) Judy Gallagher, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-sa/4.0/'>CC BY-SA</a>). (Photo ID: 857714 - Psn: 35)

Stelis louisae in Allegany Co., Maryland (7/3/2023). (c) Judy Gallagher, some rights reserved (CC BY-SA).

View Record Details Photo by Judy Gallagher MBP List

<em>Stelis louisae</em> in Allegany Co., Maryland (7/11/2022). (c) Judy Gallagher, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 643939 - Psn: 42)

Stelis louisae in Allegany Co., Maryland (7/11/2022). (c) Judy Gallagher, some rights reserved (CC BY-NC).

View Record Details Photo by Judy Gallagher MBP List

<em>Stelis louisae</em> in Baltimore Co., Maryland (8/5/2021). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 643940 - Psn: 44)

Stelis louisae in Baltimore Co., Maryland (8/5/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

<em>Stelis louisae</em> in Baltimore Co., Maryland (7/2/2023). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 857716 - Psn: 44)

Stelis louisae in Baltimore Co., Maryland (7/2/2023). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

<em>Stelis louisae</em> in Baltimore Co., Maryland (7/28/2021). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 498402 - Psn: 52)

Stelis louisae in Baltimore Co., Maryland (7/28/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

A <em>Stelis louisae</em> in Montgomery Co., Maryland (8/13/2017). Determined by John S. Ascher/BugGuide. (Photo ID: 88561 - Psn: 55)

A Stelis louisae in Montgomery Co., Maryland (8/13/2017). Determined by John S. Ascher/BugGuide.

View Record Details Photo by Steve Scholnick MBP List

<em>Stelis louisae</em> in Baltimore Co., Maryland (7/9/2020). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 345157 - Psn: 55)

Stelis louisae in Baltimore Co., Maryland (7/9/2020). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

<em>Stelis louisae</em> in Calvert Co., Maryland (7/29/2018). (c) tdhudgins, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 469557 - Psn: 88)

Stelis louisae in Calvert Co., Maryland (7/29/2018). (c) tdhudgins, some rights reserved (CC BY-NC).

View Record Details Photo by tdhudgins via iNaturalist MBP List

<em>Stelis louisae</em> in Prince George's Co., Maryland (7/12/2014). (c) treichard, all rights reserved. (Photo ID: 189650 - Psn: 90)

View Record Details Photo by Timothy Reichard MBP List

A female <em>Stelis louisae</em> in Baltimore City, Maryland (6/29/2009). Determined by John S. Ascher/BugGuide. (Photo ID: 23371 - Psn: 100)

A female Stelis louisae in Baltimore City, Maryland (6/29/2009). Determined by John S. Ascher/BugGuide.

View Record Details Photo by Thomas Wilson MBP List

A female <em>Stelis louisae</em> in Baltimore City, Maryland (6/29/2009). Determined by John S. Ascher/BugGuide. (Photo ID: 23372 - Psn: 100)

A female Stelis louisae in Baltimore City, Maryland (6/29/2009). Determined by John S. Ascher/BugGuide.

View Record Details Photo by Thomas Wilson MBP List

A female <em>Stelis louisae</em> in Baltimore City, Maryland (6/29/2009). Determined by John S. Ascher/BugGuide. (Photo ID: 23373 - Psn: 100)

A female Stelis louisae in Baltimore City, Maryland (6/29/2009). Determined by John S. Ascher/BugGuide.

View Record Details Photo by Thomas Wilson MBP List

<em>Stelis louisae</em> in Allegany Co., Maryland (6/16/2024). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1225720 - Psn: 200)

Stelis louisae in Allegany Co., Maryland (6/16/2024). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

Map Snapshot

35 Records

GA AL WA FR CL MO HO BA BC HA CE PG AA CV CH SM KE QA CN TA DO WI SO WO

Relationships

This species is a nest parasite of Megachile campanulae and clan (S. Droege, pers. comm.).

Seasonality Summary

No filters. Click here to explore and apply filters.

Resources

View at iNaturalist Search Google Images Search MBP Facebook posts

View images at BugGuide

Citations

No citations linked for this taxon yet.

Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

A Stelis louisae in Dorchester Co., Maryland (9/22/2015). View Record Details Media by Sam Droege.

A male Stelis louisae collected in Dorchester Co., Maryland (9/29/2015). Photo by Claire Mudd. View Record Details Media by USGS PWRC.

A Stelis louisae in Prince George's Co., Maryland (6/14/2021). Verified by Molly Jacobson/BugGuide. View Record Details Media by Barbara Thurlow.

Stelis louisae in Baltimore Co., Maryland (6/29/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Stelis louisae in Allegany Co., Maryland (7/3/2023). (c) Judy Gallagher, some rights reserved (CC BY-SA). View Record Details Media by Judy Gallagher.

Stelis louisae in Allegany Co., Maryland (7/11/2022). (c) Judy Gallagher, some rights reserved (CC BY-NC). View Record Details Media by Judy Gallagher.

Stelis louisae in Baltimore Co., Maryland (8/5/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Stelis louisae in Baltimore Co., Maryland (7/2/2023). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Stelis louisae in Baltimore Co., Maryland (7/28/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

A Stelis louisae in Montgomery Co., Maryland (8/13/2017). Determined by John S. Ascher/BugGuide. View Record Details Media by Steve Scholnick.

Stelis louisae in Baltimore Co., Maryland (7/9/2020). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Stelis louisae in Calvert Co., Maryland (7/29/2018). (c) tdhudgins, some rights reserved (CC BY-NC). View Record Details Media by tdhudgins via iNaturalist.

A female Stelis louisae in Baltimore City, Maryland (6/29/2009). Determined by John S. Ascher/BugGuide. View Record Details Media by Thomas Wilson.

Stelis louisae in Allegany Co., Maryland (6/16/2024). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Source: Wikipedia

Stelis louisae

Conservation status
Unranked (NatureServe)^[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Order:	Asparagales
Family:	Orchidaceae
Subfamily:	Epidendroideae
Genus:	Stelis
Species:	S. louisae
Binomial name
*Stelis louisae* Cockerell, 1911
Synonyms
Stelis floridana Graenicher, 1928

Stelis louisae is a cuckoo bee in the family Megachilidae. It was described by Theodore Dru Alison Cockerell in 1911.^[1]^[2] It lives in the eastern United States^[1]^[3] and Ontario, Canada.^[1] It sometimes visits Helianthus flowers, and is active from March to September.^[3]

References

[edit]

Wikimedia Commons has media related to Stelis louisae.

^ ^a ^b ^c ^d "Stelis louisae Louisiana Cuckoo Carder Bee". NatureServe. 5 December 2025. Retrieved 31 December 2025.
^ "Stelis louisae Cockerell, 1911". Catalogue of Life. Species 2000: Leiden, the Netherlands. Retrieved 31 December 2025.
^ ^a ^b "Species Stelis louisae". Bug Guide. Retrieved 31 December 2025.

Taxon identifiers
Stelis louisae	Wikidata: Q2036614 BugGuide: 144714 CoL: 4ZQMP EoL: 1046150 GBIF: 5038459 iNaturalist: 313243 ITIS: 699782 NatureServe: 2.882171 Observation.org: 176904 Open Tree of Life: 3266042

This Megachilidae-related article is a stub. You can help Wikipedia by adding missing information.

Stelis louisae Cockerell, 1911

Synonyms

Tags